Did You Know!
Some People Are “Immune” to Norovirus (Stomach Flu)
Norovirus, the dreaded “stomach bug,” spreads like wildfire on cruise ships and in schools. But here’s a secret: about 20% of people are genetically resistant and can’t get sick from it. Their cells lack a specific sugar on the surface of the gut that the virus needs to attach and infect. To them, norovirus is basically harmless—while everyone else is doubled over with food poisoning.
